Invoices, GST returns and vendor payments. One set of books.

Aczen is the unified financial OS for SMEs, CAs and startups in India. Automate your invoicing, streamline GST compliance, and manage financial workflows in one platform.

  • No setup fees
  • 45-day free trial
  • Cancel anytime

Trusted by 10,000+ SMBs

GSTR-1 is due on the 11th and GSTR-3B on the 20th of every month.

Return due (GSTR-1 on the 11th, GSTR-3B on the 20th) GSTR-2B available (14th) Today

Dates shown for monthly filers. Quarterly (QRMP) filers file GSTR-3B on the 22nd or 24th after each quarter.

Trusted partners

We've partnered with India's leading financial institutions to provide you with the best banking services tailored for SMEs.

  • Axis Bank
  • Meri Pehchan
  • Google for Startups
  • T-Hub
  • Blackbaud

Also partnered with RBIH, Cashfree Payments, Razorpay, DigiLocker, Mistral AI and TrustCloud.

See how Aczen works

Watch how Aczen is transforming banking for Indian SMEs.

How a GST month closes in Aczen

Invoicing, GST filing, reconciliation and vendor payments, in the order the GST calendar asks for them.

  1. All month

    Smart GST invoicing

    Create GST-compliant invoices with automated reminders and tracking, mapped back to customers, ledgers and payments.

    Sample data
    InvoiceCustomerAmountStatus
    INV-2026-0421Acme Corp₹2,84,000Open
    INV-2026-0418Sample customer₹48,650Paid
    INV-2026-0409Sample customer₹1,12,300Reminder sent
  2. 11th

    File GSTR-1

    Automated GSTR-1, GSTR-3B and GSTR-9 filing.

    Sample data
    ReturnPeriodDue
    GSTR-1Monthly11th of next month
    GSTR-3BMonthly20th of next month
    GSTR-9Yearly31 December
  3. 14th

    GSTR-2B reconciliation

    Reconcile GSTR-2B once it's published on the 14th. Smart reconciliation is included on the Scale plan.

    Sample data
    ResultShare
    Reconciled98%
    To review2%
  4. 20th

    File GSTR-3B and schedule payments

    Schedule vendor payments and payroll in advance via NEFT, RTGS and IMPS, with maker-checker approvals built in.

    Sample data
    BatchItemsTotalStatus
    Vendor batch1,240₹2.4 CrAwaiting checker

Work out the GST on a sale

Within your state, GST splits equally into CGST and SGST. To another state, it's charged as IGST. Rates follow the GST slabs in force since 22 September 2025.

GST rate
Customer is
Taxable value
₹1,00,000.00
CGST 9%
₹9,000.00
SGST 9%
₹9,000.00
Invoice total
₹1,18,000.00
Create GST invoices on Aczen

Built for SMEs, CAs and startups

For running the business

  • Cash flow insights: real-time analytics and forecasting across inflow and outflow
  • GST-compliant invoices with automated reminders and tracking
  • AI OCR to capture bills and expenses
  • Scheduled vendor payments and payroll via NEFT, RTGS and IMPS

For CAs and finance teams

  • Automated GSTR-1, GSTR-3B and GSTR-9 filing, with GSTR-2B reconciliation
  • TDS and TCS on paid plans; ITR on Growth and Scale
  • Smart Regulation Library: chapter-wise regulations, master circulars and real-time amendment updates
  • Audit-ready reports, compliance decks and MIS presentations generated in seconds

Agentic AI mode

Autonomous, prompt-driven execution that runs your finance workflows end to end, while you stay in control. AI OCR is on every plan; AI journal suggestions start on Starter and AI CFO on Growth.

Reconcile September invoices

Fetched 412 invoices

Matched 398 payments

Flagging 14 mismatches…

Example prompt

Security you can trust

Your data is encrypted in transit and at rest, and every transaction is monitored.

Security at Aczen
256-bit AES encryption
Multi-factor authentication, with data encrypted in transit and at rest.
SOC 2 Type II controls
GDPR-ready data handling and continuous compliance monitoring.
Fraud monitoring
Real-time fraud monitoring, 24/7 anomaly detection and a 99.9% uptime SLA.
Maker-checker approvals
Maker, checker and approver steps before a payment goes out.

Aczen changed the way we close our books. What used to take a week now wraps up in a single afternoon — invoicing, GST, reconciliations, all in one flow.

Karthik, Director, Novify

Frequently asked questions

What documents do I need to open a business account?

To open a business account with Aczen, you'll need your GST registration certificate, PAN card, Aadhaar card, address proof of your business, and proof of business incorporation (such as partnership deed, registration certificate, or memorandum of association).

Are there any minimum balance requirements?

No, Aczen accounts do not have minimum balance requirements. We believe in helping businesses grow without unnecessary restrictions.

How secure is your platform?

We employ high-level security measures including 256-bit encryption, multi-factor authentication, and continuous monitoring for suspicious activities. Your data and money are protected by the same security standards used by leading financial institutions.

Can I integrate Aczen with my accounting software?

Yes, Aczen seamlessly integrates with popular accounting software like Tally, Zoho Books, and QuickBooks. This allows for automatic reconciliation and real-time financial insights.

What kind of customer support do you offer?

We provide 24/7 customer support through multiple channels including phone, email, and chat. Additionally, all business accounts are assigned a dedicated relationship manager to assist with specific needs. Email support@aczen.in or call +91 99087 54657.

Start this month's books on Aczen.

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